Table 1 Sociodemographic characteristics for patients hospitalized with ARFID at 22 PHIS hospitals (N = 1288)

Sociodemographic factors

Age (years), mean (SD)

13.9 (3.9)

13.1 (3.7)

13.7 (4.0)

14.4 (3.6)

 < 0.001

Age category

 < 0.001

 3–7 years

112 (8.7%)

11 (8.3%)

73 (10.8%)

28 (5.8%)

 8–11 years

259 (20.1%)

40 (30.3%)

123 (18.2%)

96 (20.0%)

 12–17 years

781 (60.6%)

78 (59.1%)

417 (61.7%)

286 (59.6%)

 18 + years

136 (10.6%)

3 (2.3%)

63 (9.3%)

70 (14.6%)

Female sex

903 (70.1%)

100 (75.8%)

474 (70.1%)

329 (68.5%)

0.276

Race and ethnicity

 < 0.001

 White, non-Hispanic

886 (68.8%)

80 (60.6%)

486 (71.9%)

320 (66.7%)

 Hispanic

159 (12.3%)

28 (21.2%)

81 (12.0%)

50 (10.4%)

 Black/African-American, non-Hispanic

77 (6.0%)

6 (4.6%)

38 (5.6%)

33 (6.9%)

 Asian or Pacific Islander

41 (3.2%)

3 (2.3%)

25 (3.7%)

13 (2.7%)

 Another race, non-Hispanic

54 (4.2%)

3 (2.3%)

21 (3.1%)

30 (6.3%)

 Multiple race, non-Hispanic

24 (1.9%)

3 (2.3%)

7 (1.0%)

14 (2.9%)

 Unknown

47 (3.7%)

9 (6.8%)

18 (2.7%)

20 (4.2%)

Insurance payor

 < 0.001

 Private

762 (59.2%)

65 (49.2%)

396 (58.6%)

301 (62.7%)

 Public

488 (37.9%)

66 (50.0%)

249 (36.8%)

173 (36.0%)

 Other/Unknown

38 (2.9%)

1 (0.8%)

31 (4.6%)

6 (1.3%)

Median household income

0.029

 Less than $40,000

302 (23.5%)

38 (28.8%)

167 (24.7%)

97 (20.2%)

 $40,000–$89,999

884 (68.6%)

86 (65.2%)

449 (66.4%)

349 (72.7%)

 $90,000 or more

80 (6.2%)

8 (6.1%)

42 (6.2%)

30 (6.3%)

 Unknown

22 (1.7%)

0 (0%)

18 (2.7%)

4 (0.8%)

Co-morbid Diagnoses^a

Medical Diagnoses

1045 (81.1%)

107 (81.1%)

530 (78.4%)

408 (85.0%)

0.019

Malnutrition

969 (75.2%)

104 (78.8%)

475 (70.3%)

390 (81.3%)

 < 0.001

Gastro-esophageal reflux disease

185 (14.4%)

13 (9.9%)

111 (16.4%)

61 (12.7%)

0.061

Food allergy

107 (8.3%)

6 (4.6%)

56 (8.3%)

45 (9.4%)

0.205

Eosinophilic esophagitis

36 (2.8%)

0 (0%)

25 (3.7%)

11 (2.3%)

0.043

Celiac disease

27 (2.1%)

1 (0.8%)

13 (1.9%)

13 (2.7%)

0.345

Inflammatory bowel disease

8 (0.6%)

1 (0.8%)

5 (0.7%)

2 (0.4%)

0.772

Psychiatric Diagnoses

1053 (81.8%)

107 (81.1%)

554 (82.0%)

392 (81.7%)

0.969

Any anxiety disorder

947 (73.5%)

94 (71.2%)

503 (74.4%)

350 (72.9%)

0.696

 Generalized anxiety disorder

346 (26.9%)

29 (22.0%)

195 (28.9%)

122 (25.4%)

0.176

 Obsessive–compulsive disorder

130 (10.1%)

10 (7.6%)

81 (12.0%)

39 (8.1%)

0.060

 Phobic anxiety disorder

129 (10.0%)

6 (4.6%)

58 (8.6%)

65 (13.5%)

0.002

 Adjustment disorder

121 (9.4%)

19 (14.4%)

70 (10.4%)

32 (6.7%)

0.012

 Panic disorder

86 (6.7%)

8 (6.1%)

49 (7.3%)

29 (6.0%)

0.689

 Other anxiety disorder

540 (41.9%)

53 (40.2%)

265 (39.2%)

222 (46.3%)

0.052

Depressive disorder

415 (32.2%)

49 (37.1%)

227 (33.6%)

139 (29.0%)

0.113

Attention-deficit hyperactivity disorder (ADHD)

173 (13.4%)

16 (12.1%)

72 (10.7%)

85 (17.7%)

0.002

Autism spectrum disorder

113 (8.8%)

9 (6.8%)

58 (8.6%)

46 (9.6%)

0.590